CVE-2026-1933
7.1 · HIGHA flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes.
Overview
CVE-2026-1933 is a high-severity vulnerability affecting redhat openshift_container_platform. It was published on May 27, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical description
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.
Remediation
Check the references section for vendor advisories and patches from redhat. Update openshift_container_platform to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| samba | samba | >= 4.1.0, < 4.2.2 | Affected |
References
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Frequently asked questions
What is CVE-2026-1933?
CVE-2026-1933 is a high-severity vulnerability affecting redhat openshift_container_platform. It was published on May 27, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2026-1933?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-1933?
Check the references section for vendor advisories and patches from redhat. Update openshift_container_platform to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-1933?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-1933 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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